/**
 * Copyright 2021, SumUp Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import type { ForwardedRef } from 'react';

type Refs<T extends Element> = (ForwardedRef<T> | { current: T } | undefined)[];

export function applyMultipleRefs<T extends Element>(
  ...refs: Refs<T>
): ForwardedRef<T> {
  return (instance: T | null): void => {
    refs.forEach((ref) => {
      if (typeof ref === 'function') {
        ref(instance);
      } else if (ref) {
        ref.current = instance;
      }
    });
  };
}
